Question on Bonus depreciation of Asset

Hi Team,

We have one  question on Bonus deprecation    

For the assets that we placed in service of Q4 2017 where user went into the system and changed the depreciation method for a select group of assets from 50% bonus to 100% bonus, based on the tax team making the request.  Those assets continue to show depreciation as if they are still under the 50% bonus depreciation method.  Is it possible to cut
off the depreciation for those assets, so as to not mess up our depreciation going forward?   In addition, if  asset team adds cost to an asset where we have taken 100% bonus depreciation on that asset, what happens with the additional costs?  For Example: